> But for replacing addresses, there's no obvious 1-1 correspondance between a plus code and a building. A large building may span 20 or more plus codes, so whi

> But for replacing addresses, there's no obvious 1-1 correspondance between a plus code and a building. A large building may span 20 or more plus codes, so which one would you use? This same situation already exists for street numbers and doesn't present a big problem. Redevelop a single-family house into a duplex and you may need to split an address. The usual solution is to add onto it, so that 1234 Elm Street because 1234A Elm and 1234B Elm. Or redevelop a block of houses into a single, large apartment community and you might consolidate several parcels of land with their own street address into one. The usual solution is to just pick one arbitrarily. Maybe your property consolidates the land for 1230, 1232, 1234, 1238, and 1240 Elm, so you pick 1234 Elm because it is catchy. In both cases, you put up a sign on your building or mailbox, and that's enough information for people to start using it.